Gnee Steel is a professional manufacturer of various Inconel 718 alloys, nickel-based alloys, Hastelloy alloys, and high-temperature alloy materials. Founded in 2008, the company specializes in the production and sales of alloy materials. Gnee Steel's products are widely used in aerospace, chemical, power generation, automotive, nuclear energy, and other fields, and the company can provide customized alloy material solutions according to customer needs. If you need to inquire about alloy material prices or customized solutions, please feel free to contact our sales staff.

Inconel 600 vs Hastelloy C276 Alloy
Inconel 600 performs exceptionally well in high-temperature oxidation-resistant applications (up to approximately 1000°C), such as in aerospace and heat treatment; while Hastelloy C276 is better suited for demanding corrosion-resistant applications (especially in reducing acids and chloride environments), making it ideal for chemical processing. Inconel 600 exhibits higher mechanical strength at high temperatures, while C276 is more suitable for wet, corrosive environments.
What are the uses of Hastelloy C276?
Hastelloy C276 is used in the chemical, marine, and power industries. It is also used in wastewater treatment and pollution control equipment. It is commonly used in pipes, fittings, heat exchangers, and pressure vessels. Its superior performance makes it a reliable choice in extreme environments.

Inconel 600 is a nickel-chromium-iron solid-solution strengthened high-temperature alloy, renowned for its exceptional high-temperature oxidation resistance (up to approximately 1150°C), excellent resistance to chloride stress corrosion cracking, and outstanding stability in alkaline and high-temperature pure water environments. It is widely used in heat treatment equipment, chemical processing, nuclear power plant steam generators, and aerospace applications-critical areas where materials must maintain performance under extreme temperatures and corrosive media. It is a fundamental high-performance nickel-based alloy for demanding operating conditions.
Hastelloy C-276 is a nickel-molybdenum-chromium-tungsten superalloy, whose core advantage is its almost universal corrosion resistance. It effectively resists strong oxidizing and reducing acids, mixed acids, chlorides, wet chlorine gas, and harsh acidic salt solutions, exhibiting exceptional resistance to pitting corrosion, crevice corrosion, and stress corrosion cracking. It is specifically designed for the most corrosive industrial environments, such as hydrometallurgy, chemical and pharmaceutical processing, flue gas desulfurization, waste incineration, and marine engineering, making it one of the top engineering materials with the broadest corrosion resistance range among commercially available alloys.
Chemical Composition: Inconel 600 vs Hastelloy C-276
| Element | Inconel 600 (UNS N06600) Content (%) | Hastelloy C-276 (UNS N10276) Content (%) |
|---|---|---|
| Nickel | ≥ 72.0 | 57.0 min (Balance) |
| Chromium | 14.0 – 17.0 | 14.5 – 16.5 |
| Iron | 6.0 – 10.0 | 4.0 – 7.0 |
| Molybdenum | – | 15.0 – 17.0 |
| Tungsten | – | 3.0 – 4.5 |
| Cobalt | – | 2.5 max |
| Vanadium | – | 0.35 max |
| Manganese | ≤ 1.0 | 1.0 max |
| Silicon | ≤ 0.5 | 0.08 max |
| Carbon | ≤ 0.15 | 0.01 max |
| Phosphorus | – | 0.04 max |
| Sulfur | ≤ 0.015 | 0.03 max |
| Copper | ≤ 0.5 | – |
Overview of the main differences between Inconel 600 and Hastelloy C276 alloys
Main advantages: Inconel 600 alloy is designed for thermal stability and strength. Hastelloy C276 is designed for maximum corrosion resistance.
Corrosion resistance: Hastelloy C276 alloy generally performs better in reducing environments, while Inconel 600 performs well in oxidizing environments.
Temperature resistance: Inconel 600 alloy maintains its strength at high temperatures >1000°C. Hastelloy C276 alloy can be effectively used up to approximately 1038°C, but its main advantage lies in corrosion resistance rather than purely high-temperature resistance.
Mechanical Properties: Inconel 600 vs Hastelloy C-276
| Property | Inconel 600 (Annealed) | Hastelloy C-276 (Annealed) |
|---|---|---|
| Tensile Strength, Ultimate | 620 MPa (90 ksi) | 690 MPa (100 ksi) |
| Tensile Strength, Yield (0.2% Offset) | 241 MPa (35 ksi) | 283 MPa (41 ksi) |
| Elongation at Break | 40% | 40% |
| Reduction of Area | 50% | 50% |
| Hardness, Rockwell B | 80 HRB | 87 HRB |
| Hardness, Brinell | 155 HB | 190 HB |
| Modulus of Elasticity | 207 GPa (30.0 × 10⁶ psi) | 205 GPa (29.7 × 10⁶ psi) |
| Poisson's Ratio | 0.29 | 0.29 |
| Shear Modulus | 79 GPa (11.5 × 10⁶ psi) | 80 GPa (11.6 × 10⁶ psi) |
| Fatigue Strength (10⁸ cycles) | 260 MPa (38 ksi) | 280 MPa (41 ksi) |
| Impact Strength, Charpy V‑notch | 100 J (74 ft·lb) | 120 J (88 ft·lb) |
| Creep Rupture Strength (650°C) | 80 MPa for 1000 hours | 150 MPa for 1000 hours |
| Density | 8.47 g/cm³ (0.306 lb/in³) | 8.89 g/cm³ (0.321 lb/in³) |
Typical applications of Inconel 600 and Hastelloy C276 alloys
Inconel 600 alloy: Heat exchangers, aerospace components, furnace components, nuclear reactors.
Hastelloy C276 alloy: Chemical processing, pollution control, waste management, marine environments.
Why choose Gnee Steel?
Inconel 600 and Hastelloy C276 are both high-performance alloys, each possessing unique characteristics suitable for different industrial applications. The choice of alloy depends on the specific operating conditions and application requirements.
Thank you for reading this article; we hope it helps you better understand the differences between Inconel 600 and Hastelloy C276. If you are looking for an online supplier of Inconel 600 and Hastelloy C276, we recommend visiting Gnee Steel.
As a leading supplier of high-temperature alloys from China, Gnee Steel provides high-quality Inconel 600, Hastelloy C276, Inconel 825, Inconel 601, and Inconel 718 alloy products to customers at highly competitive prices.

Gnee Steel is a professional manufacturer of various nickel-based alloys, including Nickel 201, Nickel 202, Hastelloy C-276, Hastelloy C-22, Hastelloy B, Hastelloy C-4, Inconel Alloy 600, Inconel 625, Inconel 718, Inconel X-750, Incoloy Alloy 800, Incoloy 800H/HT, Incoloy 825, Monel Alloy 400, Monel K500, and high-temperature alloys. We specialize in the production and sales of alloy materials. Gnee Steel's products are widely used in aerospace, chemical, power, automotive, and nuclear energy industries, and we can provide customized alloy material solutions according to customer needs. For alloy material price inquiries or to request customized alloy material solutions, please feel free to contact us at ru@gneesteelgroup.com for a quote.

